CKD AP11E2/AP12E2 Explosion-Proof Pilot Operated 2-Port Solenoid Valve (General Purpose, Piston Drive, NC/NO, Steam Capable)

AP11E2 is NC (open when energized) and AP12E2 is NO (closed when energized) in this piston drive pilot operated poppet 2-port solenoid valve series with pressure and explosion proof construction (d2G2). They are used for air, water, kerosene, oil and steam, with Rc1/2, Rc3/4 and Rc1 ports.

CKD AP11E2/AP12E2 Explosion-Proof Pilot Operated 2-Port Solenoid Valve (General Purpose, Piston Drive, NC/NO, Steam Capable)CKD AP11E2/AP12E2 Explosion-Proof Pilot Operated 2-Port Solenoid Valve (General Purpose, Piston Drive, NC/NO, Steam Capable) 2

Specifications

Working FluidAir / water / kerosene / oil (50 mm²/s or less) / steam
Valve StructurePilot operated poppet, piston drive, NC (open when energized: AP11E2) / NO (closed when energized: AP12E2)
Explosion ProtectionPressure and explosion proof construction d2G2 (flame-proof grade 2 / ignitability G2)
Explosion-Proof Certification BodiesJapan certification (TIIS) or China certification (NEPSI), selected by order code (blank = TIIS, CN = NEPSI)
Certification NumbersJapan Conformity Certificate No.: AP11E2 No. T64351, AP12E2 No. T64354; China Conformity Certificate No. 2020322307003155; China explosion-proof standard NEPSI acquired: GYB20. 2593X
AtmosphereOutdoors / explosive gas (flame-proof grade 1 to 2 / ignitability G1 to G2)
Working Pressure Differential0.05 to 1.2 MPa (refer to max. working pressure differential by model)
Max. Working Pressure2 MPa (1 MPa when the fluid is steam)
Proof Pressure10 MPa (water pressure)
Fluid Temperature5 to 181 °C
Ambient Temperature-10 to 40 °C
Coil Thermal ClassClass 180 (H)
Valve Seat Leakage300 cm³/min or less (air, measured at 0.05 to 1.2 MPa for AP11E2 and 0.05 to 0.5 MPa for AP12E2)
Degree of ProtectionIP65 or equivalent
Mounting OrientationFree (within working pressure differential range)
Port Size / Orifice SizeAP11E2 and AP12E2: -15A Rc1/2 (ø15 mm), -20A Rc3/4 (ø20 mm), -25A Rc1 (ø25 mm)
Min. Working Pressure Differential0.05 MPa (≈7.3 psi, 0.5 bar)
Max. Working Pressure Differential (MPa, AC)AP11E2: air 1.2, water and kerosene 1.0, oil 0.6, steam 1.0; AP12E2: all fluids 0.5
Flow Characteristics-15A: C 21 dm³/(s·bar), b 0.22, Cv 4.5; -20A: Cv 9.3, effective cross-sectional area 162 mm²; -25A: Cv 12.0, effective cross-sectional area 231 mm²
Body / Valve Seal / O-Ring MaterialBody: bronze (standard C, K) or stainless steel (F, N); valve seal: PTFE; O-ring: FKM; K and N are oil-prohibited treatment options
CoilCode 4: thermal class 180 (H) explosion-proof coil
External Wire Pull MethodT (standard): conduit screw connection (G1/2) (1/2NPT when China certification is selected); L: pressure proof packing seal (G1/2) connection, cable O.D. ø7.5 to 8.4; M: pressure proof packing seal (G1/2) connection, cable O.D. ø8.5 to 9.4
Rated Voltage100 VAC 50/60 Hz (also usable at 110 VAC 60 Hz), 200 VAC 50/60 Hz (also usable at 220 VAC 60 Hz)
Apparent Power / Power ConsumptionAP11E2: apparent power holding 18 VA (50 Hz) / 15 VA (60 Hz), starting 29 VA (50 Hz) / 24 VA (60 Hz), power consumption AC 50 Hz 8 W / 60 Hz 7 W; AP12E2: apparent power holding 22 VA (50 Hz) / 18 VA (60 Hz), starting 35 VA (50 Hz) / 29 VA (60 Hz), power consumption AC 50 Hz 8.7 W / 60 Hz 6.7 W
Weight-15A: 1.9 kg, -20A: 2.3 kg, -25A: 3.0 kg (AP11E2 and AP12E2)